E - Fixed Constructions – 04 – H
Patent
E - Fixed Constructions
04
H
20/12.1
E04H 7/22 (2006.01) A01F 25/20 (2006.01)
Patent
CA 1058820
ABSTRACT OF THE DISCLOSURE: A fixture for use in the formation of a discharge opening of a fodder silo of reinforced concrete during the placing of the concrete, which comprises a form frame which con- sist of a plurality of parts which are adapted to be taken apart, the form frame being adapted to define the discharge opening du- ring the placing of the concrete, anchors detachably connected to the form frame and adapted to carry reinforcements for rein- forcing the concrete, the form frame being adapted to be disconnected from the anchors when the concrete has been placed, the anchors being adapted, when the concrete has been placed and the frame has been disconnected from the anchors, to carry mounting means for mounting a door for closing the discharge opening. Each of the anchors comprising a tapped bushing having first and second ends and tapped bore portions extending from the ends, the first end engaging the form frame and the second end being connected to the reinforcement, the form frame being divided along a plurality of oblique planar interfaces. Plates are provided which bridge the interfaces, and screws that pass through the plates and form frame and detachably screw-threadedly engage in the first ends of said anchors.
245101
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